| χ2 | df | χ2 diff | Δdf | RMSEA | GFI | CFI | NFI |
---|---|---|---|---|---|---|---|---|
Model i NA → TDA, AA → ADA, ADA → DTA, NA ↔ AA | 98.44 | 40 |  |  | .056 | .964 | .979 | .966 |
Model ii As Model i plus NA → ADA | 98.29 | 39 | 0.15ns | 1 | .057 | .983 | .985 | .984 |
Model iii As Model i plus AA → TDA | 96.93 | 39 | 1.51ns | 1 | .057 | .964 | .980 | .967 |